BibTeX
@MISC{Kuril95amultiplication,
author = {Martin Kuril},
title = {A Multiplication Of E-Varieties Of Orthodox Semigroups},
year = {1995}
}
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Abstract
We define semantically a partial multiplication on the lattice of all e-varieties of regular semigroups. In the case that the first factor is an e-variety of orthodox semigroups we describe our multiplication syntactically in terms of biinvariant congruences.
